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ликвидируемые числа

Authored by gdjcjc djcjcj

Mathematics

1st Grade

Used 25+ times

ликвидируемые числа
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5-9

1

-4

4

13

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

-13 -это...

натуральное число

отрицательное

рациональное

целое

положительное

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Вычислите сумму чисел: -12.1+53.3

65.4

-65.4

41.2

15.4

-41.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Вычислите сумму чисел: -106.45+(-32.4)

- 138.85

74.05

36.85

-74.05

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Найдите произведение чисел:  12.2(12)-12.2-\left(-\frac{1}{2}\right) 

-14.4

14.4

-11,7

-12.7

11,7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 254,525 613254,5-25\ \frac{6}{13}  

 229 126229\ \frac{1}{26}  

 229 113229\ \frac{1}{13}  

 229 2526229\ \frac{25}{26}  

129 526\frac{5}{26}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

решите уравнение:
 x25.5=2.5x-25.5=-2.5  

-28

-22.5

23

22.5

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